Scalar field solutions for anisotropic universe models in various gravitation theories

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dc.contributor.authorKabak, Ali
dc.contributor.authorAygun, Sezgin
dc.date.accessioned2025-01-27T21:00:11Z
dc.date.available2025-01-27T21:00:11Z
dc.date.issued2020
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, we have investigated homogeneous and anisotropic Marder and Bianchi type I universe models filled with normal and phantom scalar field matter distributions with. in f(R, T) gravitation theory (T. Harko et al., Phys. Rev. D 84 (2011) 024020). In this model, R is the Ricci scalar and T is the trace of energy-momentum tensor. To obtain exact solutions of modified field equations, we have used anisotropy feature of the universe and different scalar potential models with f(R, T) = R + 2f(T) function. Also, we have obtained general relativity (GR) solutions for normal and phantom scalar field matter distributions in Marder and Bianchi type I universes. Additionally, we obtained the same scalar function values by using different scalar field potentials for Marder and Bianchi type I universe models with constant difference in f(R, T) gravity and GR theory. From obtained solutions, we get negative cosmological term value for V(phi) = V-0 constant scalar potential model with Marder and Bianchi type I universes in GR theory. These results agree with the studies of Maeda and Ohta, Aktas et al. also Biswas and Mazumdar. Finally, we have discussed and compared our results in gravitation theories.
dc.identifier.doi10.1142/S0219887820500255
dc.identifier.issn0219-8878
dc.identifier.issn1793-6977
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85077890413
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1142/S0219887820500255
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26957
dc.identifier.volume17
dc.identifier.wosWOS:000519695100009
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWorld Scientific Publ Co Pte Ltd
dc.relation.ispartofInternational Journal of Geometric Methods in Modern Physics
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectScalar field
dc.subjectMarder universe
dc.subjectBianchi I universe
dc.subjectf(R, T) theory
dc.subjectcosmological term
dc.titleScalar field solutions for anisotropic universe models in various gravitation theories
dc.typeArticle

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